Composition of matter.



* Dime Cross Reference .e .o tOZQQZF UNITED STATES PATENT OFFICE.

CONRAJ) O. BTIN'EBAUGH, OF SEATTLE, -WASH'INGTON, ASSIGNOR, BY DIRECT AND KESNE ASSIGNMENTS, T0 GENERAL-GHARCRETE COMPANY, OF SEATTLE, WASH- INGTON, A CORPORATION OF WASHINGTON.

COMPOSITION OF MATTER.

E 1 020,325. Specification of Letters Patent. Patented Mar. 12, 1912. 1 No Drawing. Application filed July 11, 1911. Serial No. 638,082. 6?: a?

, To all whom 'it may concern: rum hydrates the cement so that the crys- Be it known that I, Comm!) 0. STINE- tallization takes place in the usual manner, 55

BAUGH, a citizen of the United States of causing set and hardness. The blood solids America, and a resident of the city of Seatare precipitated, as the water is withdrawn tle, in the county of King and State of to hydrate the cement, in finely divided Washington, have invented certain new and particles more or less uniformly distribuseful Improvements in Composition of uted through the mass. These blood solids 60 Matter, of which the following is a specififill the voids that would otherwise exist in cation. the product to a greater or less extent.

The object of my invention is to produce These particles have the properties of a a composition or compound having .a pogel. On this account they aid materially rous base combined with a binding agent in giving a binding property to a friction 65 applied as hereinafter described, by wh1ch material.

a compound is produced, which will serve The free lime in the cement seems to as a substitute for the common concrete serve to preserve and harden the non-aquecompounds employed in reinforced conous content of the blood.

;. crete work and pavements; also as a sub- The specific gravity of the finely divided 70 stitute for building and paving blocks, charcoal is very low. For equal volumes,

brake shoes, and numerous other structures it weighs about one-fourth as much as ce- 1 where it may be desired to combine lightment. The resulting mixture, when set, is

ness in weight with durability and toughan extremely light product, having pracness. tically the specific gravity of water. A 75 In carrying out my invention, I take a large percentage of charcoal not only causes suitable cement and mix therewith in a dry the roduct to be light, but also renders it state, charcoal, the latter bein first reresillent, and capable of being worked like duced to a finely divided con ition. To wood. this is added blood and water, the whole Having thus described my invention, 80 being thoroughly mixed, and while plastic what I claim and desire to secure by Letlaced in a mold and allowed to hardenh ters Patent of the United States is:

Ihave found blood extremely eflicient, the 1. A composition of matter, formed by same apparently increasing the cohesive mixing together cement, finely divided charproperties of the ingredients. coal, and adding to said mixture blood, and 85 The formula of my compound is substanallowing the same to set, substantially as tially as follows :-cement 8 parts by described.

' weight, charcoal 3 parts by weight, blood 2. A composition of matter, consisting of 11} parts y weight, water 1 part by weight. substantially 8 parts by weight of cement, 3

The blood may be used to supply the enparts by weight of charcoal to which is 90 tire amount of water to set the cement; or added before setting 2% parts by wei ht of i -a smaller amount of blood and more water liquid comprising water and blood, su stanmay be used, if desired, provided there is tially as described.

water enough to hydrate the cement. 3. A composition of matter composed of I have found in practice that the compoa mixture of approximately 8 parts by 95 sition when molded, or set, is comparatively weight of cement, 3 parts by weight of char light in weight, is hard, tough, and durable, coal, to which is added before setting 1;];

resisting in. a material way wearing away parts by weight of blood, and 1 part b or breaking as contradistinguished from ceweight of water, substantially as describe ment compositions having sand or the like Signed at Seattle, Washington this 29th 100 'as a base. day of June 1911.

g 5' The blood is speciall beneficial in the manufacture of material: to be subjected to STINEBAUGH' friction, such as brake shoes. Witnesses:

When the cement, charcoal and blood are j STEPHEN A. Bnooxs, mixed together, the water of the blood se- J. L. Anms.

copies of this patent may be obtained for five cents each, by addressing that Commissioner of Patents, Washington, I). G. v 

